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[Bug-AUCTeX] problem with preview-region and TeX-command-region

From: Rajneesh Hegde
Subject: [Bug-AUCTeX] problem with preview-region and TeX-command-region
Date: Mon, 23 May 2005 05:47:47 +0000 (UTC)
User-agent: Loom/3.14 (http://gmane.org/)

When I invoke preview-region when no "_region_.tex" file is present in the
directory, emacs asks for the master file and then freezes. (I have to go to the
task manager and kill the process.) When a "_region_.tex" file is already
present, however, this does not happen. And neither does it happen when I change
the option of TeX-master to "This file", whether or not _region_.tex exists.
(Values of "Query" and "dwim" create the problem.)

Also, one of the messages in the echo area before emacs queries and freezes, is:
"Fontifying _region_.tex...buffer size greater than font-lock-maximum-size"

The reasons this caught my eye are:
1. font-lock-maximum-size was 256000, and this happens even for a tiny region.
In fact, even after setting it to nil (i.e. no maximum), the message appears.
2. This message also appears only when _region_.tex isn't already present, so it
seems related to the freezing problem.

Finally, the reason I mentioned TeX-command-region is that the font-lock message
appears even for that command, again depending on whether _region_.tex exists.

I'm using GNU emacs from http://www.crasseux.com/emacs/ on WinXP Home. My AUCTeX
version is 11.55 and preview-latex version is 0.9.1. (By the way, the font-lock
message with TeX-command-region happens even with Emacs 21.3, so this is likely
not an emacs issue.)


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